132 lines
4.4 KiB
Java
132 lines
4.4 KiB
Java
/*
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* Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 7026509
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* @summary Cannot use JavaCompiler to create multiple CompilationTasks for partial compilations
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* @modules jdk.compiler
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*/
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import java.io.*;
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import java.util.*;
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import javax.lang.model.element.*;
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import javax.tools.*;
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import com.sun.source.tree.*;
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import com.sun.source.util.*;
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public class TestJavacTask_ParseAttrGen {
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public static void main(String... args) throws Exception {
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new TestJavacTask_ParseAttrGen().run();
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}
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JavaCompiler comp;
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StandardJavaFileManager fm;
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void run() throws Exception {
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comp = ToolProvider.getSystemJavaCompiler();
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fm = comp.getStandardFileManager(null, null, null);
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try {
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final boolean[] booleanValues = { false, true };
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for (boolean pk: booleanValues) {
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for (boolean ak: booleanValues) {
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for (boolean gk: booleanValues) {
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test(pk, ak, gk);
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}
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}
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}
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} finally {
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fm.close();
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}
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}
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void test(boolean pk, boolean ak, boolean gk) throws Exception {
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if (!pk && !ak && !gk) // nothing to do
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return;
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System.err.println("test: pk:" + pk + ", ak:" + ak + ", gk: " + gk);
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File testSrc = new File(System.getProperty("test.src"));
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String thisClassName = TestJavacTask_ParseAttrGen.class.getName();
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Iterable<? extends JavaFileObject> files =
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fm.getJavaFileObjects(new File(testSrc, thisClassName + ".java"));
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File tmpDir = new File((pk ? "p" : "") + (ak ? "a" : "") + (gk ? "g" : ""));
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tmpDir.mkdirs();
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fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(tmpDir));
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JavacTask t = (JavacTask) comp.getTask(null, fm, null, null, null, files);
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//t.setTaskListener(createTaskListener());
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try {
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if (pk) {
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Iterable<? extends CompilationUnitTree> trees = t.parse();
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System.err.println(count(trees) + " trees parsed");
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}
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if (ak) {
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Iterable<? extends Element> elems = t.analyze();
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System.err.println(count(elems) + " elements analyzed");
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}
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if (gk) {
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Iterable<? extends JavaFileObject> classfiles = t.generate();
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System.err.println(count(classfiles) + " class files generated");
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}
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} catch (IOException e) {
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error("unexpected exception caught: " + e);
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}
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File[] genFiles = tmpDir.listFiles();
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int expect = (gk ? 2 : 0); // main class and anon class for TaskListener
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if (genFiles.length != expect)
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error("unexpected number of files generated: " + genFiles.length
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+ ", expected: " + expect);
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System.err.println();
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}
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TaskListener createTaskListener() {
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return new TaskListener() {
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public void started(TaskEvent e) {
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System.err.println(e + " started");
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}
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public void finished(TaskEvent e) {
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System.err.println(e + " finished");
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}
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};
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}
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<T> int count(Iterable<T> items) {
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int count = 0;
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for (T item: items)
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count++;
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return count;
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}
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void error(String msg) {
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System.err.println("Error: " + msg);
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errors++;
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}
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int errors;
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}
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